/* code form https://codepen.io/nourabusoud/pen/ypZzMM */

.bubbly-button {
  display: inline-block;
  -webkit-appearance: none;
  backdrop-filter: saturate(180%) blur(20px);
  appearance: none;
  color: #fff;
  border: none;
  cursor: pointer;
  transition: transform ease-in 0.1s, box-shadow ease-in 0.25s;
}

.bubbly-button:focus {
  outline: 0;
}

.bubbly-button:before,
.bubbly-button:after {
  position: absolute;
  content: '';
  display: block;
  width: 140%;
  height: 100%;
  left: -12%;
  z-index: -1000;
  transition: all ease-in-out 0.5s;
  background-repeat: no-repeat;
}

.bubbly-button:before {
  display: none;
  top: -75%;
  background-size: 25% 25%, 35% 35%, 30% 30%, 35% 35%, 33% 33%, 25% 25%, 30% 30%, 25% 25%, 33% 33%;
}

.bubbly-button:after {
  display: none;
  bottom: -75%;
  background-size: 25% 25%, 35% 35%, 30% 30%, 35% 35%, 33% 33%, 25% 25%, 30% 30%, 25% 25%, 33% 33%;
}

.bubbly-button:active {
  transform: scale(0.9);
}

.bubbly-button.animate:before {
  display: block;
  animation: topBubbles ease-in-out 650ms forwards;
}

.bubbly-button.animate:after {
  display: block;
  animation: bottomBubbles ease-in-out 650ms forwards;
}

@keyframes topBubbles {
  0% {
    background-position: 5% 90%, 10% 90%, 10% 90%, 15% 90%, 25% 90%, 25% 90%, 40% 90%, 55% 90%,
      70% 90%;
  }

  50% {
    background-position: 0% 40%, 0% 10%, 10% 20%, 20% 0%, 30% 30%, 22% 50%, 50% 50%, 65% 20%,
      90% 30%;
  }

  100% {
    background-position: 0% 70%, 0% 10%, 10% 30%, 20% -10%, 30% 20%, 22% 40%, 50% 40%, 65% 10%,
      90% 20%;
    background-size: 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%;
  }
}

@keyframes bottomBubbles {
  0% {
    background-position: 10% -10%, 30% 10%, 55% -10%, 70% -10%, 85% -10%, 70% -10%, 70% 0%;
  }

  50% {
    background-position: 0% 80%, 20% 80%, 45% 60%, 60% 100%, 75% 70%, 95% 60%, 105% 0%;
  }

  100% {
    background-position: 0% 90%, 20% 90%, 45% 70%, 60% 110%, 75% 80%, 95% 70%, 110% 10%;
    background-size: 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%;
  }
}
